title: Iron(II) spin crossover films on Au(111): scanning probe microscopy and photoelectron spectroscopy.
abstract: The growth of films of [H2B(pz)2]Fe(ii)(bpy) on Au(111) is characterized from the bilayer film to multilayer film regime. Scanning tunneling microscopy shows a transition from a well-ordered, uniform bilayer film to a poorly-ordered film at larger thicknesses. Previous local tunneling spectroscopy and conductance mapping in bilayer films permit the identification of coexisting molecular spin-states at all temperatures. New ultraviolet photoelectron spectroscopy is consistent with this picture and in agreement with the density of states calculated by density functional theory. In thicker films with a polycrystalline morphology, evidence for a more bulk-like change in spin composition as a function of temperature is obtained by observing the reduction in intensity of Fe 2p core level satellites in X-ray photoelectron spectra.
authors.affiliation: Department of Physics, North Carolina State University, Raleigh, N.C. 27695, USA. dbdoughe@ncsu.edu.
authors.forename: Alex
authors.initials: A
authors.lastname: Pronschinske
authors.forename: Robert C
authors.initials: RC
authors.lastname: Bruce
authors.forename: Geoff
authors.initials: G
authors.lastname: Lewis
authors.forename: Yifeng
authors.initials: Y
authors.lastname: Chen
authors.forename: Arrigo
authors.initials: A
authors.lastname: Calzolari
authors.forename: Marco
authors.initials: M
authors.lastname: Buongiorno-Nardelli
authors.forename: David A
authors.initials: DA
authors.lastname: Shultz
authors.forename: Wei
authors.initials: W
authors.lastname: You
authors.forename: Daniel B
authors.initials: DB
authors.lastname: Dougherty